fuse: fold systemWrite and write together

Change-Id: Iddf69afb97c1437b874d9cb0220bada5072b7f63

fuse/server.go

@@ -612,15 +612,11 @@ func (ms *Server) handleRequest(req *requestAlloc) Status {
 		req.outPayload = ms.buffers.AllocBuffer(uint32(outPayloadSize))
 	}
 	ms.innerHandleRequest(h, &req.request)
-	code = ms.write(&req.request)
-	return code
-}
-
-func (ms *Server) write(req *request) Status {
 	if req.suppressReply {
 		return OK
 	}
-	errno := ms.systemWrite(req)
+
+	errno := ms.write(&req.request)
 	if errno != 0 {
 		// Ignore ENOENT for INTERRUPT responses which
 		// indicates that the referred request is no longer
@@ -703,7 +699,7 @@ func (ms *Server) notifyWrite(req *request) Status {
 
 	// Protect against concurrent close.
 	ms.writeMu.Lock()
-	result := ms.systemWrite(req)
+	result := ms.write(req)
 	ms.writeMu.Unlock()
 
 	if ms.opts.Debug {

fuse/server_linux.go

@@ -10,7 +10,7 @@ import (
 
 const useSingleReader = false
 
-func (ms *Server) systemWrite(req *request) Status {
+func (ms *Server) write(req *request) Status {
 	if req.outPayloadSize() == 0 {
 		err := handleEINTR(func() error {
 			_, err := syscall.Write(ms.mountFd, req.outputBuf)

fuse/server_unix.go

@@ -11,7 +11,7 @@ import (
 // do not error-out, meaning that unmount will hang.
 const useSingleReader = true
 
-func (ms *Server) systemWrite(req *request) Status {
+func (ms *Server) write(req *request) Status {
 	if req.outPayloadSize() == 0 {
 		err := handleEINTR(func() error {
 			_, err := unix.Write(ms.mountFd, req.outputBuf)